13+groundwater+resources

13+groundwater+resources - Groundwater Resources •...

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Unformatted text preview: Groundwater Resources • Benefits – Municipal supply – Industrial supply – Agriculture – Surface water balance – Built-in storage facility • Concerns – Overuse • Limited supply • Potential for ground subsidence – Contamination – Who owns groundwater? – Groundwater rights Key Issues for Groundwater Basin Management – What is the groundwater basin? – Discharge/Recharge - Quantity – Water Quality Protection – Potential for subsidence – Seawater Intrusion Groundwater Basin Boundaries Change in rock permeability “Pinching out” of permeable unit Faults Coastal/seawater intrusion Water quality boundaries Institutional boundaries Engineered boundaries (e.g. Injection wells) Figure 17.B Rank California $23,032,259 1 Texas $13,766,527 Texas $13,766,527 2 Iowa $11,947,894 Iowa $11,947,894 3 San Joaquin Valley $11,645,271 San Joaquin Valley $11,645,271 4 California $11,386,988 Nebraska $ 9,831,519 5 Nebraska $ 9,831,519 Kansas $ 9,207,130 6 Kansas $ 9,207,130 Illinois $ 8,556,486 7 Illinois $ 8,556,486 Minnesota $ 8,290,264 8 Minnesota $ 8,290,264 North Carolina $ 7,676,523 9 North Carolina $ 7,676,523 Florida $ 6,004,554 10 Florida $ 6,004,554 Source: United States Department of Agriculture, Census of Agriculture, 1997 California with Valley California Without Valley Market Value of Agricultural Products Sold: State Rankings Acres State Ranking 1997 National Ranking 1997 % of State % of Nation Fresno 1,153,812 1 1 13.2% 2.1% Kern 912,584 2 2 10.5% 1.7% Tulare 625,070 3 3 7.2% 1.1% San Joaquin 519,021 4 4 6.0% .9% Merced...
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This note was uploaded on 02/22/2012 for the course CE 70 taught by Professor Johnson during the Fall '07 term at Berkeley.

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13+groundwater+resources - Groundwater Resources •...

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